Catch LayoutQueue problems due to flush-in-flush
Catch LayoutQueue problems due to flush-in-flush

This should never happen, but it would be disastrous if it did. This
prevents a potential stack overflow.

Change-Id: Ib1fa7c8cdc1838d3f4b6f6dec04cacb7e5ed782f

eclipsesource/tabris-js,eclipsesource/tabris-js,eclipsesource/tabris-js